Plot
Believing in destiny, a university student Ha-mi, is attracted to Young-bin, who she meets by chance on the street. But this handsome Young-bin has blood type B, someone no woman would like to date! Running a business while being a student, Young-bin lives in his car. For B-type men, style is everything, you see, so although he doesn't have a place to live, he has to have a car to be seen in. Instigating hurdle competitions in the office, pretending to be Superman in the elevator; his ideas for dates are just as bizarre. Though his typical B-type small-mindedness bewilders Hami, against her cousin's best wishes she begins to fall for him. With time, though, Young-bin grows more and more selfish and Ha-mi decides to break up with him. Realizing too late that he loves her, Young-Bin tries to win her back, but to no avail. You see, A-type women like Ha-mi, once they have made up their minds, cannot be easily persuaded to change them. When one day Young-bin takes advice given to him by a friend, things between Young-bin and Ha-mi reach a point of no return
